<?php
// 应用公共文件

//保存远程文件到本地
function saveLinkImg($url=''){
    $url = $url; // 远程图片的URL
    $savePath=explode('?',$url);
    if(isset($savePath[0])) $savePath=$savePath[0];
    $savePath=explode('top/',$savePath);
    if(isset($savePath[1])){
        $savePath=$savePath[1];
        $returnPath=$savePath;
    }
    $savePath = "./static/foodimgpath/".$savePath; // 保存图片的本地路径
//p($savePath);
    $imageContent = file_get_contents($url);

    if ($imageContent !== false) {
        file_put_contents($savePath, $imageContent);
        return 'static/foodimgpath/'.$returnPath;
    } else {
        echo "图片保存失败！";
    }
}
//输出顺序的周
function getzhou(){
    $wkarr=['日','一','二','三','四','五','六',];
    for($i=1;$i<8;$i++){
        $w=date('w',time()+(3600*24*$i));
//        $str[]='\'星期'.$wkarr[$w].'\'';
        $str[]='星期'.$wkarr[$w];
    }
    return implode(',',$str);
}
//获取当前的整数周
function gettime(){
    $day=3600*24;
    return (strtotime(date('Y-m-d 08:00:00',time()))/$day)-19674;
}

function p($data)
{
    print_r('<pre>');
    print_r($data);
    print_r('<pre>');die;
}
function getfirstchar($s0){
    $fchar = ord($s0[0]);
    if($fchar >= ord("A") and $fchar <= ord("z") )return strtoupper($s0[0]);
    $s1 = get_encoding($s0,'GB2312');
    $s2 = get_encoding($s1,'UTF-8');
    if($s2 == $s0){$s = $s1;}else{$s = $s0;}
    $asc = ord($s[0]) * 256 + ord($s[1]) - 65536;
    if($asc >= -20319 and $asc <= -20284) return "a";
    if($asc >= -20283 and $asc <= -19776) return "b";
    if($asc >= -19775 and $asc <= -19219) return "c";
    if($asc >= -19218 and $asc <= -18711) return "d";
    if($asc >= -18710 and $asc <= -18527) return "e";
    if($asc >= -18526 and $asc <= -18240) return "f";
    if($asc >= -18239 and $asc <= -17923) return "g";
    if($asc >= -17922 and $asc <= -17418) return "i";
    if($asc >= -17417 and $asc <= -16475) return "j";
    if($asc >= -16474 and $asc <= -16213) return "k";
    if($asc >= -16212 and $asc <= -15641) return "l";
    if($asc >= -15640 and $asc <= -15166) return "m";
    if($asc >= -15165 and $asc <= -14923) return "n";
    if($asc >= -14922 and $asc <= -14915) return "o";
    if($asc >= -14914 and $asc <= -14631) return "p";
    if($asc >= -14630 and $asc <= -14150) return "q";
    if($asc >= -14149 and $asc <= -14091) return "r";
    if($asc >= -14090 and $asc <= -13319) return "s";
    if($asc >= -13318 and $asc <= -12839) return "t";
    if($asc >= -12838 and $asc <= -12557) return "w";
    if($asc >= -12556 and $asc <= -11848) return "x";
    if($asc >= -11847 and $asc <= -11056) return "y";
    if($asc >= -11055 and $asc <= -10247) return "z";
    return null;
}
/**
 * @name: get_encoding
 * @description: 自动检测内容编码进行转换
 * @param: string data
 * @param: string to  目标编码
 * @return: string
 **/
function get_encoding($data,$to){
    $encode_arr=array('UTF-8','ASCII','GBK','GB2312','BIG5','JIS','eucjp-win','sjis-win','EUC-JP');
    $encoded=mb_detect_encoding($data, $encode_arr);
    $data = mb_convert_encoding($data,$to,$encoded);
    return $data;
}

function pinyin($zh){
    $ret = "";
    $s1 = iconv("UTF-8","gb2312", $zh);
    $s2 = iconv("gb2312","UTF-8", $s1);
    if($s2 == $zh){$zh = $s1;}
    for($i = 0; $i < strlen($zh); $i++){
        $s1 = substr($zh,$i,1);
        $p = ord($s1);
        if($p > 160){
            $s2 = substr($zh,$i++,2);
            $ret .= getfirstchar($s2);
        }else{
            $ret .= $s1;
        }
    }
    return $ret;
}